Re: A comparison of the recommendations for pharmacologic thromboembolism prophylaxis after caesarean delivery from the major guidelines: impact on thromboprophylaxis rates of implementing Royal College of Obstetricians and Gynaecologists' guidance for reducing the risk of ante- and postnatal venous thromboembolism - Omunakwe, H E; Roberts, L N; Patel, J P; Subramanian, D; Arya, R (BJOG, 2017)